KINGERSONS - Your Petran Browse through special sale on for heating and air conditioning technician equipment repair, maintainence and installation. Manuals and submittals sheets on central heat & air units we sell at split air and heating units (ductless type) delivered straight to your doorstep. Typical delivery time from distribution warehouse is 1-5 business days depending upon products ordered, quantity and location of the shipping address. window heat and air systems